diff --git a/Cargo.lock b/Cargo.lock
index 9234ac7..b7cce69 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -199,7 +199,7 @@ dependencies = [
  "lazy_static",
  "log",
  "num_cpus",
- "parking_lot",
+ "parking_lot 0.10.2",
  "threadpool",
 ]
 
@@ -307,9 +307,9 @@ dependencies = [
 
 [[package]]
 name = "addr2line"
-version = "0.12.2"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602d785912f476e480434627e8732e6766b760c045bbf897d9dfaa9f4fbd399c"
+checksum = "1b6a2d3371669ab3ca9797670853d61402b03d0b4b9ebf33d677dfa720203072"
 dependencies = [
  "gimli",
 ]
@@ -320,12 +320,6 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccc9a9dd069569f212bc4330af9f17c4afb5e8ce185e83dbb14f1349dda18b10"
 
-[[package]]
-name = "adler32"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "567b077b825e468cc974f0020d4082ee6e03132512f207ef1a02fd5d00d1f32d"
-
 [[package]]
 name = "ahash"
 version = "0.2.18"
@@ -505,14 +499,14 @@ dependencies = [
 
 [[package]]
 name = "backtrace"
-version = "0.3.49"
+version = "0.3.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05100821de9e028f12ae3d189176b41ee198341eb8f369956407fea2f5cc666c"
+checksum = "46254cf2fdcdf1badb5934448c1bcbe046a56537b3987d96c51a7afc5d03f293"
 dependencies = [
  "addr2line",
  "cfg-if",
  "libc",
- "miniz_oxide 0.3.7",
+ "miniz_oxide",
  "object",
  "rustc-demangle",
 ]
@@ -641,9 +635,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.56"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77c1f1d60091c1b73e2b1f4560ab419204b178e625fa945ded7b660becd2bd46"
+checksum = "f9a06fb2e53271d7c279ec1efea6ab691c35a2ae67ec0d91d7acec0caf13b518"
 
 [[package]]
 name = "cfg-if"
@@ -653,9 +647,9 @@ checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
 [[package]]
 name = "chrono"
-version = "0.4.12"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0fee792e164f78f5fe0c296cc2eb3688a2ca2b70cdff33040922d298203f0c4"
+checksum = "c74d84029116787153e02106bf53e66828452a4b325cc8652b788b5967c0a0b6"
 dependencies = [
  "num-integer",
  "num-traits 0.2.12",
@@ -687,6 +681,15 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "cloudabi"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4344512281c643ae7638bbabc3af17a11307803ec8f0fcad9fae512a8bf36467"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "config"
 version = "0.10.1"
@@ -768,12 +771,12 @@ dependencies = [
 
 [[package]]
 name = "crypto-mac"
-version = "0.7.0"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4434400df11d95d556bac068ddfedd482915eb18fe8bea89bc80b6e4b1c179e5"
+checksum = "b584a330336237c1eecd3e94266efb216c56ed91225d634cb2991c5f3fd1aeab"
 dependencies = [
- "generic-array 0.12.3",
- "subtle 1.0.0",
+ "generic-array 0.14.2",
+ "subtle",
 ]
 
 [[package]]
@@ -895,9 +898,9 @@ dependencies = [
 
 [[package]]
 name = "event-listener"
-version = "2.0.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05b148ad9bf80edb24098fd1ab4883c7c381e7900c1a38e512fb0586c4501505"
+checksum = "699d84875f1b72b4da017e6b0f77dfa88c0137f089958a88974d15938cbc2976"
 
 [[package]]
 name = "failure"
@@ -942,7 +945,7 @@ dependencies = [
  "cfg-if",
  "crc32fast",
  "libc",
- "miniz_oxide 0.4.0",
+ "miniz_oxide",
 ]
 
 [[package]]
@@ -1126,9 +1129,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.21.0"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcc8e0c9bce37868955864dbecd2b1ab2bdf967e6f28066d65aaac620444b65c"
+checksum = "aaf91faf136cb47367fa430cd46e37a788775e7fa104f8b4bcb3861dc389b724"
 
 [[package]]
 name = "h2"
@@ -1170,21 +1173,21 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9586eedd4ce6b3c498bc3b4dd92fc9f11166aa908a914071953768066c67909"
+checksum = "3deed196b6e7f9e44a2ae8d94225d80302d81208b1bb673fd21fe634645c85a9"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "hmac"
-version = "0.7.1"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dcb5e64cda4c23119ab41ba960d1e170a774c8e4b9d9e6a9bc18aabf5e59695"
+checksum = "126888268dcc288495a26bf004b38c5fdbb31682f992c84ceb046a1f0fe38840"
 dependencies = [
  "crypto-mac",
- "digest 0.8.1",
+ "digest 0.9.0",
 ]
 
 [[package]]
@@ -1235,9 +1238,9 @@ dependencies = [
 
 [[package]]
 name = "http-signature-normalization-actix"
-version = "0.4.0-alpha.1"
+version = "0.4.0-alpha.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c6efbc3e600cdd617585f4f15be3726c6942fb2eba3c8c79474c5d3159ad7c0"
+checksum = "131fc982391a6b37847888b568cbe0e9cd302f1b0015f4f6f4a50234bebd049c"
 dependencies = [
  "actix-http",
  "actix-web",
@@ -1247,7 +1250,7 @@ dependencies = [
  "futures",
  "http-signature-normalization",
  "log",
- "sha2 0.9.1",
+ "sha2",
  "thiserror",
 ]
 
@@ -1286,6 +1289,12 @@ dependencies = [
  "autocfg 1.0.0",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b141fdc7836c525d4d594027d318c84161ca17aaf8113ab1f81ab93ae897485"
+
 [[package]]
 name = "iovec"
 version = "0.1.4"
@@ -1371,9 +1380,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.71"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
+checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
 
 [[package]]
 name = "libm"
@@ -1406,6 +1415,15 @@ dependencies = [
  "scopeguard",
 ]
 
+[[package]]
+name = "lock_api"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28247cc5a5be2f05fbcd76dd0cf2c7d3b5400cb978a28042abcd4fa0b3f8261c"
+dependencies = [
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.4.8"
@@ -1428,9 +1446,9 @@ dependencies = [
 
 [[package]]
 name = "lru"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "297efb9401445cf7b6986a583d7ac194023334b46b294ff7da0d36662c1251c2"
+checksum = "35c456c123957de3a220cd03786e0d86aa542a88b46029973b542f426da6ef34"
 dependencies = [
  "hashbrown",
 ]
@@ -1521,15 +1539,6 @@ version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a60c7ce501c71e03a9c9c0d35b861413ae925bd979cc7a4e30d060069aaac8d"
 
-[[package]]
-name = "miniz_oxide"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
-dependencies = [
- "adler32",
-]
-
 [[package]]
 name = "miniz_oxide"
 version = "0.4.0"
@@ -1729,8 +1738,19 @@ version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3a704eb390aafdc107b0e392f56a82b668e3a71366993b5340f5833fd62505e"
 dependencies = [
- "lock_api",
- "parking_lot_core",
+ "lock_api 0.3.4",
+ "parking_lot_core 0.7.2",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
+dependencies = [
+ "instant",
+ "lock_api 0.4.1",
+ "parking_lot_core 0.8.0",
 ]
 
 [[package]]
@@ -1740,7 +1760,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d58c7c768d4ba344e3e8d72518ac13e259d7c7ade24167003b8488e10b6740a3"
 dependencies = [
  "cfg-if",
- "cloudabi",
+ "cloudabi 0.0.3",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
+dependencies = [
+ "cfg-if",
+ "cloudabi 0.1.0",
+ "instant",
  "libc",
  "redox_syscall",
  "smallvec",
@@ -1836,9 +1871,9 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "postgres-protocol"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f611afe4d1407ebe7f3ced1ffc66f730fac1b1c13085e230a8cdcb921e97710"
+checksum = "81c5b25980f9a9b5ad36e9cdc855530575396d8a57f67e14691a2440ed0d9a90"
 dependencies = [
  "base64 0.12.3",
  "byteorder",
@@ -1848,15 +1883,15 @@ dependencies = [
  "md5",
  "memchr",
  "rand",
- "sha2 0.8.2",
+ "sha2",
  "stringprep",
 ]
 
 [[package]]
 name = "postgres-types"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e634590e8812c500088d88db721195979223dabb05149f43cb50931d0ff5865d"
+checksum = "3d14b0a4f433b0e0b565bb0fbc0ac9fc3d79ca338ba265ad0e7eef0f3bcc5e94"
 dependencies = [
  "bytes",
  "chrono",
@@ -2004,9 +2039,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.56"
+version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "regex"
@@ -2061,7 +2096,7 @@ dependencies = [
  "ructe",
  "serde 1.0.114",
  "serde_json",
- "sha2 0.9.1",
+ "sha2",
  "structopt",
  "thiserror",
  "tokio",
@@ -2109,7 +2144,7 @@ dependencies = [
  "num-iter",
  "num-traits 0.2.12",
  "rand",
- "subtle 2.2.3",
+ "subtle",
  "zeroize",
 ]
 
@@ -2337,18 +2372,6 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
 
-[[package]]
-name = "sha2"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a256f46ea78a0c0d9ff00077504903ac881a1dafdc20da66545699e7776b3e69"
-dependencies = [
- "block-buffer 0.7.3",
- "digest 0.8.1",
- "fake-simd",
- "opaque-debug 0.2.3",
-]
-
 [[package]]
 name = "sha2"
 version = "0.9.1"
@@ -2386,9 +2409,9 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "smallvec"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
+checksum = "3757cb9d89161a2f24e1cf78efa0c1fcff485d18e3f55e0aa3480824ddaa0f3f"
 
 [[package]]
 name = "socket2"
@@ -2537,12 +2560,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "subtle"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
-
 [[package]]
 name = "subtle"
 version = "2.2.3"
@@ -2727,9 +2744,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-postgres"
-version = "0.5.4"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d56010a704311361b7c9e870aaa4ddffaf9f2db89cbcf3e14773ac8a14469c9c"
+checksum = "55a2482c9fe4dd481723cf5c0616f34afc710e55dcda0944e12e7b3316117892"
 dependencies = [
  "async-trait",
  "byteorder",
@@ -2737,7 +2754,7 @@ dependencies = [
  "fallible-iterator",
  "futures",
  "log",
- "parking_lot",
+ "parking_lot 0.11.0",
  "percent-encoding",
  "phf",
  "pin-project-lite",